August 2004
Intermediate to advanced
720 pages
19h 43m
English
book
IBM WebSphere: Deployment and Advanced Configuration
by Bill Hines, Tom Alcott, Keys Botzum, Roland Barcia
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Distributed Replication Service
As implied by its name, the Distributed Replication Service (DRS)[9] is a runtime component in WAS-ND that is used to replicate data among distributed processes in a WAS cell. In WAS-ND V5, DRS can either be used as a failover mechanism for HTTP Session objects, as discussed in Chapter 22, “Session Management,” or to replicate dynacache entries, as described in Chapter 19.
[9] DRS is sometimes also referred to as WebSphere Internal Messaging.
DRS Concepts
Before we discuss configuring DRS and topology options, we need to outline the various components that comprise DRS as well as some terms relating to its use.
The first term is replica. A replica is nothing more than an in-memory copy of data. If one server updates ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.